@Override
public IndexResponse getIndexByName(RpcController controller, IndexNameProto request)
throws ServiceException {
String databaseName = request.getDatabaseName();
String indexName = request.getIndexName();
rlock.lock();
try {
if (!store.existIndexByName(databaseName, indexName)) {
return IndexResponse.newBuilder().setState(errUndefinedIndexName(indexName)).build();
}
return IndexResponse.newBuilder()
.setState(OK)
.setIndexDesc(store.getIndexByName(databaseName, indexName))
.build();
} catch (Throwable t) {
printStackTraceIfError(LOG, t);
return IndexResponse.newBuilder().setState(returnError(t)).build();
} finally {
rlock.unlock();
}
}
@Override
public ReturnState existIndexByName(RpcController controller, IndexNameProto request) {
String dbName = request.getDatabaseName();
String indexName = request.getIndexName();
try {
// linked meta data do not support index. The request will be failed.
if (linkedMetadataManager.existsDatabase(dbName)) {
return errUndefinedIndexName(indexName);
}
} catch (Throwable t) {
printStackTraceIfError(LOG, t);
return returnError(t);
}
rlock.lock();
try {
return store.existIndexByName(dbName, indexName) ? OK : errUndefinedIndexName(indexName);
} catch (Throwable t) {
printStackTraceIfError(LOG, t);
return returnError(t);
} finally {
rlock.unlock();
}
}
@Override
public ReturnState dropIndex(RpcController controller, IndexNameProto request) {
String dbName = request.getDatabaseName();
String indexName = request.getIndexName();
wlock.lock();
try {
store.dropIndex(dbName, indexName);
return OK;
} catch (Throwable t) {
printStackTraceIfError(LOG, t);
return returnError(t);
} finally {
wlock.unlock();
}
}